Chris Diamantopoulos grew up splitting his time between Greece and Canada. At age 9, he started doing TV commercials and professional theater. He left home at 18 to perform in a series of US national tours after which, he landed on Broadway. Diamantopoulos now splits his time between New York and Los Angeles acting in TV and Film. Also an established voice-over artist, he can be heard on numerous national campaigns and networks.

Attended East York Colligiate Institute in Toronto, Ontario, Canada. While in attendance, he successfully played the lead in several school musical productions, such as Anything Goes, and Man of LaMancha.